1. What is your opinion about our marketing?
What do you think about our marketing?
What's your idea on the marketing?
2. I think the efficient marketing channel is the key.
I think it is very important to find an efficient marketing channel.
In my opinion, efficient marketing channel plays a significant role.
through the proper channel 通過正當途徑，辦理正規手續
3. I agree that the high quality is important to the success of export.
The success of export lies in the high quality.
I believe that high quality will make the export sucessfully.
4. Innovation is the key factor for enterprise's success in marketing competition.
If the enterprise wants success, it must try to focus on innovation.
It is important for the enterprise to innovate in the fierce competition.
The good book is the key to wisdom.
5. It is high time you changed your sales approach.
Time is up for you to change the sales approach.
It's the time to adjust your sales strategy now.
at the approach of 在……將到的時候；
be approaching to 與……差不多，大致相等；
be difficult to approach 難以到達，難以接近
6. You should meet the customers' current demands.
You should satisfy the customers' present requirements.
You ought to meet the customers' current need.
meet up 偶然碰到；
meet situation 應付局面；
meet an emergency 應付緊急情況；
meet bill 付賬；
meet as strangers 像陌生人一樣相見
7. You should make a great effort to attract the customers.
You should do all you can do to draw the attention of the customers.
You should endeavor to engage the customers' attention.
effort to do sth. 努力，奮斗。
例如：It was a real effort to stay awake through the film.